Boris Sidis

"The fact that psychology postulates an external material world and studies it in so far as it comes to be reflected in consciousness, points to another postulate which psychology must assume in additi…"

"Psychology is the science of psychic states both as to content and form, regarded from an objective standpoint, and brought in relation to the living corporeal individual."

"A social aggregate which has chosen the fatal path of organic evolution must succumb to the same law of organic development to which all organisms are subject, namely greater and greater organization,…"

"The man of genius whether as artist or thinker requires a mass of accidental variations to select from and a rigidly selective process of attention."

"Human institutions depend for their existence and stability on the impulse of self-preservation and its close associate, — the fear instinct."

"Superstitions, and especially the early cultivation of religion, with its “fear of the Lord” and of unknown mysterious agencies, are especially potent in the development of the instinct of fear. Even …"

"Not purpose but chance is at the heart of mental life."

"Self-preservation is the central aim of all life-activities."